The Supreme Court has ruled that petitioning the government by way of lobbying is protected by the Constitution as free speech.
The term interest group refers to virtually any voluntary association that seeks to publicly promote and create advantages for its cause.
Interest groups can come in varied forms and organize under different methods.
Membership interests represent individuals for social, business, labor, or charitable purposes to achieve political goals.
Members comprising interest groups join for solidarity, material, or purposive incentives.
An advocacy group is a group or an organization that tries to influence the government but does not hold power in the government.
Advocacy groups exert influence on political parties, mostly through campaign finance.